Katy Perry co-wrote Iggy Azalea's hit single "Black Widow." Perry was originally going to sing on the track, but she couldn't fit it into her schedule, so Rita Ora provided the sung vocals instead.
After 47 visits to the Hot 100, Justin Bieber topped the tally for the first time on September 17, 2015 with "What Do You Mean?"
"After Midnight" was written by the Oklahoma guitarist J.J. Cale, who was dirt poor until Eric Clapton recorded his song and turned it into a hit.
45% of the royalties for "Somebody That I Used To Know" go to the estate of the Brazilian classical guitarist Luiz Bonfá, whose song "Seville" Gotye sampled.
"Thinking About You" was the ninth track from Calvin Harris' 18 Months album to enter the UK singles Top 10. No other artist has obtained so many hits from one LP - Michael Jackson was the previous record holder with seven Top 10 tunes from both his Bad and Dangerous sets.
Taylor talks about "The Machine" - the hits, the videos and Clive Davis.
Rudolf, Bob Dylan and the Singing Dogs all show up in this Fact or Fiction for seasonal favorites.
On Glen's résumé: hit songwriter, Facebook dominator, and member of Styx.
Since emerging from MySpace with her hit "Bubbly," Colbie has become a top songwriter, even crafting a hit with Taylor Swift.
Chris and his wife Tina were the rhythm section for Talking Heads when they formed The Tom Tom Club. "Genius of Love" was their blockbuster, but David Byrne only mentioned it once.
Holly Knight talks about some of the hit songs she wrote, including "The Warrior," "Never" and "The Best," and explains some songwriting philosophy, including how to think of a bridge.
